Pisani: Here’s what it will take for stocks to break out

For many investors, 2016 seems like a year of futility. After a disastrous start to the year, we rallied but have failed repeatedly to break out to new highs.

We've come tantalizingly close several times, and right now we're there again, only 1.5 percent from a historic high on the S&P 500. Is it hopeless? What's it going to take?

In exclusive content for CNBC Pro subscribers, Bob Pisani explains his views on what could take the market to a new high.